Infra-red detection system for detecting low-flying objects

Details Infra-red detection system for detecting low-flying objects Infra-red detection system for detecting low-flying objects

1977-09-01

1980-06-24

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 100

Patent

active

042096995

ABSTRACT:
Method and apparatus for detecting the presence of low-flying objects including an infra-red sensor in which the electronic band width of the sensor is maintained relatively narrow during an initial detection phase, and when the distance between the target and the sensor decreases to a pre-determined value, the electronic band width is increased.

REFERENCES:
patent: 4063093 (1977-12-01), Astheimer et al.
patent: 4129780 (1978-12-01), Laughlin

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